Question

28) Simplifique as expressões, reduzindo os termos semelhantes:
a) -7x-(-7x)=
b) 3t + 4t -9t=
c) 9x-5-4x=
d) x+(12-10x) - (2x-14)=
e) -9x+5m+7x-2m=

Answer 1

a) 0
b)-2t
c)-5-5x
d)
e)-2x+3m

Answer 2

a) Zero
b) -2t
c) 5x-5
d) 11x+2
e) 3m-2x